Uncemented. These parts have a porous coating that the bone grows into.

Your doctor may use general anesthesia. This means you'll be asleep during surgery. Or a doctor may use regional anesthesia. This means you can't feel the area of the surgery. You'll have medicine that makes you unaware but lightly asleep. Which type of anesthesia you get depends on your doctor and your overall health. Your doctor might also ask what you prefer.

Types of surgery

In traditional hip replacement surgery, the doctor makes a 6- to 10-inch cut (incision) on the side or the back of your hip. Some muscles and other soft tissues, such as ligaments, are cut so the doctor can get to the hip joint.

Hip replacement can also be done with one or two smaller incisions. This is called minimally invasive surgery. It may
cause less blood loss and leave a smaller scar. But it can also mean a longer time in
surgery, because the surgery is harder to do. And if the new hip can't be
fitted properly through the smaller incision, the doctor may have to make a
larger cut.

A newer type of surgery is done through a small incision in the front (anterior) of the hip. Anterior hip surgery causes less damage to muscles and other soft tissues than getting to the hip joint from the side or the back. It may help you heal faster and return to activity sooner.

Anterior surgery and minimally invasive surgery require special training and equipment. Your doctor can explain your options and help you understand the risks and benefits of each type of surgery.

What To Expect After Surgery

Right after surgery

Your pain will be controlled with intravenous (IV) medicine. You will probably also have medicines to prevent infection, blood clots, and nausea. If you had regional anesthesia, you may have little or no feeling below your waist for a while.

You may have a cushion between your legs. It helps keep your new hip in the correct position. You may also have a catheter. It lets you empty your bladder without getting up. To help prevent blood clots, you may be wearing compression stockings. And you may have compression sleeves on your legs. These squeeze and release your lower legs to help keep the blood moving.

Moving around

On the day of surgery or the day after, you'll get out of bed with help. You will learn how to walk with a walker or crutches. By the time you leave the hospital, you will be able to safely sit down and stand up, dress yourself, use the toilet, bathe, and use stairs.

As soon as possible, you will start physical therapy. You'll learn exercises to help you get stronger. You will also be taught how to move your body without dislocating your hip.

If you have traditional surgery, you will need to follow "hip precautions" until your hip is fully healed. Most often, this means that you:

Do not bend your hip more than 90 degrees. This means no bending forward while sitting down and no bending over to tie your shoes.

Do not let your affected leg cross the center of your body toward the other leg. Your therapist may suggest that you:

Do not cross your legs or feet.

Be very careful as you get in or out of bed or a car. Make sure your leg does not cross that imaginary line down the middle of your body.

Keep a pillow between your knees when you are lying down.

There is a much lower risk of hip dislocation after anterior surgery, so there are fewer precautions. Your physical therapist will teach you how to move safely. For example, while you're healing, the therapist may suggest that you:

Do not step backwards or bend backwards.

Do not turn your leg too far out to the side. Keep your toes pointing forward or slightly in.

Leaving the hospital

You will probably stay in the hospital for 1 to 7 days after surgery.

You can go home from the hospital if you have care at home and your recovery is going well. At first you will need someone who can help you day and night.

You can go to a rehab center if you don't have care at home or if you need extra care. You can go home when you've recovered well enough to move around safely and care for yourself.

Continued recovery

During the first week or so after surgery, you will need less and less pain medicine. For a few weeks after surgery, you will probably take medicine to prevent blood clots.

You may need a walker, crutches, or a cane for a few weeks. As you get your energy back, work up to taking a short walk a few times each day. If you feel any soreness, try a cold pack on your hip.

Don't drive until:

Your doctor says it is okay for you to drive.

You have stopped taking narcotic pain medicine.

After traditional surgery, complete recovery can take at least 6 months. Recovery is usually faster after anterior hip surgery. Keep up your walking and physical therapy exercises. They help speed your recovery.

For most people, it is safe to have sex about 4 to 6 weeks after a hip replacement. Talk to your doctor about when it is okay to have sex and what positions are safe for your hip.

Living with a hip replacement

Exercise (such as swimming and walking) is important for building your muscle strength. And it helps you feel better overall. Discuss with your doctor what type of exercise is best for you.

You probably will be able to return to most activities that you did before surgery, such as golfing, biking, swimming, or dancing.

Your doctor may want you to avoid running, playing tennis, and doing other things that put a lot of stress on the joint.

Your doctor will probably want to see you at least once a year to check your hip.

For at least 2 years after your surgery, your doctor may want you to take antibiotics before dental work or any invasive procedure. This is to help prevent infection around your hip implant. After 2 years, your doctor and dentist will decide if you still need to take antibiotics.

Why It Is Done

Total hip replacement surgery is usually done when hip pain and loss of function become severe and when treatment no longer relieves pain. Hip replacement is sometimes done after a hip fracture.

How Well It Works

Surgery usually works well. You will probably have much less pain and be able to do most of your daily activities
more easily. But recovery does take time and patience.

Most artificial hip joints will last for 10 to 20 years or
longer. It depends on your age, how much stress you put on the joint, and how well your new joint and bones mend. Your weight can make a difference. Every extra pound of body weight adds 3 pounds of stress to your new hip joint. Controlling your weight will help your new hip joint last longer.

Risks

The risks of hip replacement surgery can be
divided into two groups:

Risks of the surgery and recovery
period. These risks include:

Blood clots. These can be dangerous if they block blood flow from the leg back to the heart, or if they move to the lungs.

Infection. Infection in the wound is usually treated with antibiotics. Infection deep in the joint may need more surgery. In some cases, the hip implant has to be replaced with another one.

Nerve injury. This is rare. It can cause tingling, numbness, or difficulty moving a muscle.

Problems with wound healing.

Problems with anesthesia.

Hip dislocation after surgery.

Difference in leg length. Any difference is usually very small and can be corrected by using a shoe insert.

Long-term risks that may occur months to years after the
surgery. These risks include:

Loosening of the hip implant in the bone.

Infection in the joint.

A reaction to the metal in the new hip joint. As metal ball and socket parts rub against each other, tiny bits of the surface of the parts wear off. Some people are sensitive to the types of metal that may be used for joint replacement.

What To Think About

You may donate your own blood to use during surgery if
needed. This is called autologous blood donation. If you choose to do this,
start the donation several weeks before the surgery so that you have time to
donate enough blood and rebuild your blood volume before surgery.

If you need more than one joint replacement surgery, such as a knee and a
hip, talk to your doctor. There are guidelines that may help you and your doctor
decide which surgery to do first.

References

Other Works Consulted

American Academy of Orthopaedic Surgeons (2009). Activities after hip replacement. Available online: http://orthoinfo.aaos.org/topic.cfm?topic=a00356.

Imamura M, et al. (2012). Single mini-incision total hip replacement for the management of arthritic disease of the hip: A systematic review and meta-analysis of randomized controlled trials. Journal of Bone and Joint Surgery, American Version, 94(20): 1897–1905.

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